vga240.c add optional switch to extend active display out instead of extending only the blanking interval. option may reveal flickering garbage or offscreen compositing.
vga240.c add optional switch to extend active display out instead of
extending only the blanking interval. option may reveal flickering
garbage or offscreen compositing.

joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib